Under the center console.
A 2007 Chevy Avalanche will only have an external factory amplifier if it is equipped with a Bose stereo system. If there is a factory amp included, it will be underneath the center console.
i have a 97 Chevy Tahoe the amp. was above the gas accelerate mounted on a slant
There is an amp only if equiped with factory infinity stereo with 7 speakers. If so, the amp is behind the glovebox.
Yes, from what I hear from audio specialists there is a factory amp either under the dash or drivers seat.
You can determine if your Chevy Trailblazer has a factory amp by checking under the driver's side seat. The original inventory shipped with the vehicle also lists if an amp is installed.
I have an 2005, and the radio amp is under the back seat on the passenger side
2003-2004 the amp is located behind the driver seat under the pockets that contain the factory changer
If it says BOSE on it anywhere it will have an amp for each speaker in the doors. The Factory GM radio does not have an amp and has poor sound to amplify. Most members of our forum choose and after market stereo to amplify. Come and read in our AUDIO section www.trailvoy.com
It's under the center dash behind the oem radio
under back seat
take it to the dealer
The 145 Amp has more/larger ventilation openings.